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From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Kees Cook <keescook@chromium.org>
Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Anitha Chrisanthus <anitha.chrisanthus@intel.com>,
Sam Ravnborg <sam@ravnborg.org>
Subject: linux-next: build warning after merge of the kspp tree
Date: Mon, 30 Aug 2021 18:44:29 +1000 [thread overview]
Message-ID: <20210830184429.1ee4b4d8@canb.auug.org.au> (raw)
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Hi all,
After merging the kspp tree, today's linux-next build (powerpc
allyesconfig) produced this warning:
drivers/gpu/drm/kmb/kmb_plane.c:135:20: warning: array subscript 3 is above array bounds of 'struct layer_status[1]' [-Warray-bounds]
135 | kmb->plane_status[plane_id].ctrl = LCD_CTRL_GL2_ENABLE;
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~
In file included from drivers/gpu/drm/kmb/kmb_plane.c:17:
drivers/gpu/drm/kmb/kmb_drv.h:48:23: note: while referencing 'plane_status'
48 | struct layer_status plane_status[KMB_MAX_PLANES];
| ^~~~~~~~~~~~
drivers/gpu/drm/kmb/kmb_plane.c:132:20: warning: array subscript 2 is above array bounds of 'struct layer_status[1]' [-Warray-bounds]
132 | kmb->plane_status[plane_id].ctrl = LCD_CTRL_GL1_ENABLE;
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~
In file included from drivers/gpu/drm/kmb/kmb_plane.c:17:
drivers/gpu/drm/kmb/kmb_drv.h:48:23: note: while referencing 'plane_status'
48 | struct layer_status plane_status[KMB_MAX_PLANES];
| ^~~~~~~~~~~~
drivers/gpu/drm/kmb/kmb_plane.c:129:20: warning: array subscript 1 is above array bounds of 'struct layer_status[1]' [-Warray-bounds]
129 | kmb->plane_status[plane_id].ctrl = LCD_CTRL_VL2_ENABLE;
| ~~~~~~~~~~~~~~~~~^~~~~~~~~~
In file included from drivers/gpu/drm/kmb/kmb_plane.c:17:
drivers/gpu/drm/kmb/kmb_drv.h:48:23: note: while referencing 'plane_status'
48 | struct layer_status plane_status[KMB_MAX_PLANES];
| ^~~~~~~~~~~~
Exposed by commit
656256c0d67c ("Makefile: Enable -Warray-bounds")
Introduced by commit
7f7b96a8a0a1 ("drm/kmb: Add support for KeemBay Display")
from v5.11-rc1.
--
Cheers,
Stephen Rothwell
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next reply other threads:[~2021-08-30 8:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-30 8:44 Stephen Rothwell [this message]
2021-08-30 23:50 ` Kees Cook
2021-08-31 0:49 ` Stephen Rothwell
2021-09-06 5:41 ` Stephen Rothwell
2021-09-06 17:06 ` Kees Cook
2021-09-06 17:12 ` Linus Torvalds
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